DIO, R. V. Number Theory Worktext for Teacher Education Program. The Normal Lights, [S. l.], v. 11, n. 2, 2017. DOI: 10.56278/tnl.v11i2.531. Disponível em: https://po.pnuresearchportal.org/ejournal/index.php/normallights/article/view/531. Acesso em: 3 jul. 2024.